Kotlin-Flavored BuildScripts

> Kotlin Korea Meetup 2018

# 코틀린 맛 빌드스크립트

코틀린으로 그래들 플러그인을 만들고, 이미 존재하는 그래들 프로젝트에서 사용하는 방법을 소개합니다.
그루비로 되어있는 그래들 프로젝트를 점차 코틀린으로 바꾸는 방향을 제안합니다.

https://github.com/importre/kotlin-flavored-buildscripts

Transcript

1. ௏ౣܽ
   ݍ
   ࠽٘झ௼݀౟ ,PUMJO
   ,PSFB
   .FFUVQ
   
2. ௏ౣܽ
   ݍ
   Ӓېٜ
3. @importre • Jaewe Heo ೲ੤ਤ @ !iiid! ܡ੉٘! • Kotlin Korea • Android • ReactiveX • Probot for Github automation • ...
4. ׼न਷ • Kotlin • Gradle • Gradle with Kotlin DSL1 1 kotlin-dsl: Kotlin language support for Gradle build scripts
5. য়ט਷ • ௏ౣܽਵ۽ Ӓېٜ ೒۞Ӓੋ ٜ݅ӝ • ੉޷ ઓ੤ೞח ׼न੄ ೐۽ં౟ী ੸ਊೞӝ
6. Ҷ੉
   ৵ 
7. زӝ
8. Բ৉Բ৉ • ҅ࣘ ӡয૑ח build.gradle • apply from: ...? • ೒۞Ӓੋ? • Groovy • ز੸ ೐۽Ӓې߁ ঱য • ੗ز৮ࢿ !
9. ੉ઁח • Groovy Kotlin • ࠽٘झ௼݀౟/೒۞Ӓੋ/উ٘۽੉٘ ੌਗച • ز੸ ъ۱ೠ ੿੸ ఋੑ੄ ೐۽Ӓې߁ ঱য • ੗ز৮ࢿ !
10. ೒۞Ӓੋ
    ٜ݅ӝ
11. ೒۞Ӓੋ
    ٜ݅ӝ ௏ౣܽਵ۽
12. ݅٘ח
    ߑߨ • build.gradle Groovy ৔৉੉פ ֤৻۽ • buildSrc ೐۽ં౟ • or ة݀੸ੋStandalone ೐۽ં౟
13. 
    buildSrc
    ೐۽ં౟ $rootProject/buildSrc/ • ೒۞Ӓੋ ௏٘ܳ ੘ࢿೞݶ • ࠽٘झ௼݀౟ classpathী ನೣغয • ݫੋ/ࢲ࠳ ݽٕٜ੄ ࠽٘झ௼݀౟ীࢲ ࢎਊ оמ • ҕਬ ࠛо • ݫੋ ݽٕਸ ߩযաݶ ॶ ࣻ হ਺
14. 
    ة݀੸ੋStandalone
    ೐۽ં౟ • buildSrc৬ ࠺त • ডр੄ ࢸ੿੉ ؊ ೙ਃ • ҕਬ оמ https://plugins.gradle.org
15. ѐߊജ҃
16. ѐߊജ҃ Dependency Version Android Studio 3.1.3 Android Gradle Plugin 3.2.0-beta01 Gradle Wrapper 4.7
17. (SBEMFী
    ٮܲ
    ,PUMJO
    %4-
    ߡ੹ Gradle Wrapper Kotlin DSL Kotlin 4.8 0.17.5 1.2.4x 4.7 0.16.3 1.2.3x 4.6 0.15.6 1.2.2x 2 Releases: https://github.com/gradle/kotlin-dsl/releases
18. ݅٘ח
    ߑߨ
    
19. GreetingPlugin
    GFBU
    buildSrc 1. buildSrc ٣۩షܻ ࢤࢿ 2. buildSrc/build.gradle.kts ࢤࢿ 3. Ӓېٜ ೒۞Ӓੋ ߂ కझ௼ ੘ࢿ 4. ӝઓ ࠽٘झ௼݀౟build.gradle ী ੸ਊ 5. కझ௼ प೯
20. buildSrc
    ٣۩షܻ
    ߂
    झ௼݀౟
    ౵ੌ
    ࢤࢿ % # ܖ౟ ೐۽ં౟ীࢲ % mkdir -p buildSrc/src % touch buildSrc/build.gradle.kts
21. buildSrc
    ٣۩షܻ
    ߂
    झ௼݀౟
    ౵ੌ
    ࢤࢿ % # ܖ౟ ೐۽ં౟ীࢲ % mkdir -p buildSrc/src/main/kotlin/importre % touch buildSrc/build.gradle.kts
24. Ӓېٜ
    ೒۞Ӓੋ
    ߂
    కझ௼
    ੘ࢿ class GreetingPlugin : Plugin<Project> { private fun greeting(): String = "Hello, World!" override fun apply(project: Project): Unit = project.run { tasks { "greeting" { group = "kotlin-flavored" description = "௏ౣܽ ݍ Ӓېٜ ೒۞Ӓੋ" doLast { .run( ::println) } } } } }
25. Ӓېٜ
    ೒۞Ӓੋ
    ߂
    కझ௼
    ੘ࢿ class GreetingPlugin : Plugin<Project> { private fun greeting(): String = "Hello, World!" override fun apply(project: Project): Unit = project.run { tasks { "greeting" { group = "kotlin-flavored" description = "௏ౣܽ ݍ Ӓېٜ ೒۞Ӓੋ" doLast { greeting().run( ::println) } } } } }
26. Ӓېٜ
    ೒۞Ӓੋ
    ߂
    కझ௼
    ੘ࢿ class GreetingPlugin : Plugin<Project> { private fun greeting(): String = "Hello, World!" override fun apply(project: Project): Unit = project.run { tasks { "greeting" { group = "kotlin-flavored" description = "௏ౣܽ ݍ Ӓېٜ ೒۞Ӓੋ" doLast { greeting().run( ::println) } } } } }
27. Ӓېٜ
    ೒۞Ӓੋ
    ߂
    కझ௼
    ੘ࢿ class GreetingPlugin : Plugin<Project> { private fun greeting(): String = "Hello, World!" override fun apply(project: Project): Unit = project.run { tasks { "greeting" { group = "kotlin-flavored" description = "௏ౣܽ ݍ Ӓېٜ ೒۞Ӓੋ" doLast { greeting().run( ::println) } } } } }
28. ࢤࢿೠ
    ೒۞Ӓੋ
    ֢୹ plugins { `kotlin-dsl` `java-gradle-plugin` } gradlePlugin { (plugins) { "greeting-plugin" { id = "greeting" implementationClass = "importre.GreetingPlugin" } } } 3 java-gradle-plugin: https://docs.gradle.org/current/userguide/java_gradle_plugin.html
29. ࢤࢿೠ
    ೒۞Ӓੋ
    ֢୹ plugins { `kotlin-dsl` `java-gradle-plugin` } gradlePlugin { (plugins) { "greeting-plugin" { id = "greeting" implementationClass = "importre.GreetingPlugin" } } } 3 java-gradle-plugin: https://docs.gradle.org/current/userguide/java_gradle_plugin.html
30. ࢤࢿೠ
    ೒۞Ӓੋ
    ֢୹ plugins { `kotlin-dsl` `java-gradle-plugin` } gradlePlugin { (plugins) { "greeting-plugin" { id = "greeting" implementationClass = "importre.GreetingPlugin" } } } 3 java-gradle-plugin: https://docs.gradle.org/current/userguide/java_gradle_plugin.html
31. ࢤࢿೠ
    ೒۞Ӓੋ
    ֢୹ plugins { `kotlin-dsl` `java-gradle-plugin` } gradlePlugin { (plugins) { // As an expression "greeting-plugin" { id = "greeting" implementationClass = "importre.GreetingPlugin" } } } 3 java-gradle-plugin: https://docs.gradle.org/current/userguide/java_gradle_plugin.html
32. ӝઓ
    ࠽٘झ௼݀౟build.gradleী
    ੸ਊ apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' apply plugin: 'greeting' android { // ...
33. ӝઓ
    ࠽٘झ௼݀౟build.gradleী
    ੸ਊ apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' apply plugin: 'greeting' android { // ...
35. కझ௼
    प೯ % ./gradlew -q greeting Hello, World!
36. ࡮աझ
    ೒۞Ӓੋ
    ੊झబ࣌
37. (PBM
    userName
    ࢸ੿ apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' apply plugin: 'greeting' greeting { userName = "Kotlin" } android { // ...
38. (PBM
    కझ௼
    प೯ % ./gradlew -q greeting Hello, Kotlin
39. ੊झబ࣌
    ࢤࢿ package importre /** * [GreetingPlugin] Extension * * @property userName for **greeting ** */ open class GreetingExt( var userName: String? = null )
40. కझ௼ী
    ݒೝ class GreetingPlugin : Plugin<Project> { private fun greeting(userName: String?) = "Hello, ${userName ?: "World"}!" override fun apply(project: Project): Unit = project.run { val ext = extensions.create("greeting", GreetingExt ::class.java) tasks { "greeting" { group = "kotlin-flavored" description = "௏ౣܽ ݍ Ӓېٜ ೒۞Ӓੋ" doLast { greeting(ext.userName).run( ::println) } } } } }
41. కझ௼ী
    ݒೝ class GreetingPlugin : Plugin<Project> { private fun greeting(userName: String?) = "Hello, ${userName ?: "World"}!" override fun apply(project: Project): Unit = project.run { val ext = extensions.create("greeting", GreetingExt ::class.java) tasks { "greeting" { group = "kotlin-flavored" description = "௏ౣܽ ݍ Ӓېٜ ೒۞Ӓੋ" doLast { greeting(ext.userName).run( ::println) } } } } }
42. కझ௼
    प೯ % ./gradlew -q greeting Hello, Kotlin
43. ݅٘ח
    ߑߨ
    
44. GreetingPlugin
    GFBU
    4UBOEBMPOF 1. ݃਺؀۽ ٣۩షܻ ࢤࢿ 2. ೒۞Ӓੋ ҳഅ 3. ӝઓ ࠽٘झ௼݀౟৬ Composit 4. ӝઓ ࠽٘झ௼݀౟build.gradle ী ੸ਊ 5. కझ௼ प೯
45. ೒۞Ӓੋ
    ೐۽ં౟
    ࢤࢿ % # `plugins` ߃ী `greeting` ࢤࢿ % take plugins/greeting % gradle init --type basic --dsl kotlin
46. ೒۞Ӓੋ
    ೐۽ં౟
    ࢤࢿ % # `plugins` ߃ী `greeting` ࢤࢿ % take plugins/greeting % gradle init --type basic --dsl kotlin
47. DG
    gradle init Task name Type Description init InitBuild Generates a Gradle project • Types of InitBuild • java-application • java-library • scala-library • ... • basic
48. DG
    gradle init
    XJUI
    kotiln-dsl $ gradle init --type java-library --dsl kotlin $ tree . ├── build.gradle.kts ├── gradle │ └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle.kts └── src ├── main │ └── java │ └── Library.java └── test └── java └── LibraryTest.java 7 directories, 8 files
49. DG
    gradle init
    XJUI
    kotiln-dsl $ gradle init --type java-library --dsl kotlin $ tree . ├── build.gradle.kts ├── gradle │ └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle.kts └── src ├── main │ └── java │ └── Library.java └── test └── java └── LibraryTest.java 7 directories, 8 files
50. ೒۞Ӓੋ
    ҳഅ খࢲ ҳഅೠ Ѫҗ ӝઓҗ زੌ !
51. $PNQPTJU
    #VJMET • ݣ౭ ࠽٘৬ ࠽तೞա ة݀੸ਵ۽ ѐߊೞҊ ನೣदఆ ࣻ ੓਺ • include؀न includeBuild ೣࣻܳ ࢎਊ • settings.gradle੉ ੓যঠ ೣ • ӝઓ ೐۽ં౟੄ ੉ܴҗ ઺ࠂೲਊ ࠛо 4 Composite Builds: https://docs.gradle.org/current/userguide/composite_builds.html
52. settings.gradle include ':app' includeBuild('./plugins/greeting') { dependencySubstitution { substitute module('com.importre.example:greeting') with project(':') } }
53. settings.gradle include ':app' includeBuild('./plugins/greeting') { dependencySubstitution { substitute module('com.importre.example:greeting') with project(':') } }
54. settings.gradle include ':app' includeBuild('./plugins/greeting') { dependencySubstitution { substitute module('com.importre.example:greeting') with project(':') } }
55. settings.gradle include ':app' includeBuild('./plugins/greeting') { dependencySubstitution { substitute module('com.importre.example:greeting') with project(':') } }
56. ӝઓ
    ࠽٘झ௼݀౟build.gradleী
    ੸ਊ buildscript { dependencies { classpath 'com.importre.example:greeting' } } apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' apply plugin: 'greeting' android {
57. ӝઓ
    ࠽٘झ௼݀౟build.gradleী
    ੸ਊ buildscript { dependencies { classpath 'com.importre.example:greeting' } } apply plugin: 'com.android.application' apply plugin: 'kotlin-android' apply plugin: 'kotlin-android-extensions' apply plugin: 'greeting' android {
58. కझ௼
    प೯ % # Root Project % ./gradlew -q greeting Hello, World!
59. ਃড
60. ਃড • buildSrc ೐۽ં౟ • buildSrc ࢤࢿ • ೒۞Ӓੋ ҳഅ • ӝઓ ೐۽ં౟ী ೒۞Ӓੋ ੸ਊ • ೒۞Ӓੋ ഛ੢ ҳഅ ߂ ੸ਊ • ة݀੸ੋStandalone ೐۽ં౟ • ೒۞Ӓੋ ೐۽ં౟ ࢤࢿ • ೒۞Ӓੋ ҳഅ • ӝઓ ೐۽ં౟ী ೒۞Ӓੋ ನೣ • ӝઓ ೐۽ં౟ী ೒۞Ӓੋ ੸ਊ
61. ݃ޖܻ • ੉޷ ழ૓ झ௼݀౟ܳ ೠߣী gradle.build.kts۽ ৤ӝӝূ ൨ٝ • ೞաঀ ৤ѹࢲ build.gradle ୭ࣗച • ੘ই૓ build.gradleਸ build.gradle.kts۽ ߸ജ
62. ઁউ
    • buildSrc ೐۽ં౟ • ই૒ হ׮ݶ ੉઱ द੘ • ة݀੸ੋStandalone ೐۽ં౟ • ੉޷ buildSrcо ੓Ѣա • ݧ૓ ೒۞Ӓੋਸ ҳഅ ߂ ҕਬ & ߓನ
63. Ѿҗޛ • Github • importre/kotlin-flavored-buildscripts • Speakerdeck • importre/kotlin-flavored-buildscripts
64. ӒܻҊ
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